We are a company where we have experience on network remote administration and now we have open a new area, The area of security. Now I need to start to make new procedures like when a new customer come to us and ask if we can handle the security for his network. I need to know if some one can...

I'm looking to move from programming to network administration and eventually security. I need advice. I have an AA degree. I did tech support and programming part-time in college. Since then, I've spent 2.5 years as a programmer (with some IDS responsibilities), 1.5 years doing QA on niche-market...

We have an Exchange 2000 "edge" server and an Exchange 2007 Hub Transport server. We are migrating to an Exchange 2007 Edge Transport to replace the Exchange 2000 "edge" server. For testing purposes, if we add a "test" Edge Transport subscription to our production Hub Transport, will that disrupt...

Hi friends, Hope you all are doing fine. Actually, I am new in the networking field. Can anybody tell me the size relation between virtual, cache and RAM memory in Windows Operating systems? Thanks in advance.

Hello: I need to know the difference between managed and unmanaged switch. If I use a managed switch will that pose overhead on my network performance? Could it reduce my internet connection speed on that switch? Best regards

I am trying to connect to a Win 2003 VPN server from a PC running Windows XP Professional wired to a Linksys WRTP54G router (Vonage voIP) and cable modem. On Thursday, January 5, I got the VPN connection working fine. I used it multiple times including rebooting the PC. That night the automatic...

I have a Compaq EVO n1020v notebook. This works fine in our office LAN and sometimes it does not at all. Office LAN is a workgroup with ICS enabled in win 2K server. If I check the IP of the notebook it shows the IP of the LAN but never connects to the internet, can't access LAN...

How can we resolve IP address from Mac address and can we do this from Cisco switch 3750? We are able to track port no and associated Mac address from Cisco switch by using the command #sh mac-address-table dyanamic>, but we also want to track the associated IP address with port no. Please...

One building, divided in 3 stories. I want to create a network of 100 computers in this one building. How many Routers, Switches and Hubs do I need? How many Straight and cross over cables do I need? and what kind of topologies to implement? Do I need a server? What protocol to implement? What i am...

I need urgent help on this. I have a brand new cisco 2811 with 2 FE ports. The port f0/0 is connected to the internet and the f0/1 will be connected to the switch which has 4 vlans configured on it. I have no idea how to go about doing this. Can someone please help me with the configuration on the...

Hello All; If I'm configuring multiple VLANs on a Layer 3 switch (HP) do I have to setup static routes or will the switch learn them automatically? Also if I have multiple VlAN's on the Layer 2 switches that connect to the Layer 3 do I have to setup port trunking in order for traffic to be able to...

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